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Foveation-based error resilience for video transmission over mobile networks

机译:基于FOVEATION的误差弹性,用于移动网络上的视频传输

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In this paper, we introduce a foveation-based error resilience scheme for low bit rate visual communications over highly error-prone mobile networks. In order to alleviate the degradation of visual quality due to signal fading attenuation, it is necessary to develop more robust error resilience schemes. By maintaining relatively high source throughput for perceptually important regions, the visual quality degradation can be effectively reduced. We spatially divide each frame into foveated and background layers according to perceptual importance. Two bitstreams are generated from the layers and transmitted using an unequal error protection scheme. In the simulation, the visual quality is significantly increased up to 3 dB FPSNR (foveal peak signal to noise ratio) at 40 % packet error rate.
机译:在本文中,我们介绍了基于FOVEATION的误差弹性方案,用于高易于易于移动网络的低比特率可视通信。为了减轻由于信号衰减引起的视觉质量的降低,有必要开发更强大的误差弹性方案。通过保持感知重要区域的相对高的源吞吐量,可以有效地减少视觉质量劣化。我们根据感知重要性在空间上将每个帧分成Foveated和背景层。从层生成两个比特流,并使用不等误差保护方案发送。在模拟中,视觉质量在40%的分组错误率下显着增加到3 dB的FPSNR(变态峰值信号至噪声比)。

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